“Codex-Spark is the first step toward a Codex that works in two complementary modes: real-time collaboration when you want ...

OpenAI's new Spark model codes 15x faster than GPT-5.3-Codex - but there's a catch ...

OpenAI's new GPT-5.3-Codex is 25% faster and goes way beyond coding now - what's new ...

GPT-3.5 Codex Spark offers 128,000-token context and ChatGPT Pro-only access, giving developers quicker real-time coding responses at lower cost.

The company says its latest model’s agentic skills also apply to a broader set of knowledge work such as presentations and ...